EP2956675A4 - Midspan active magnetic bearing - Google Patents
Midspan active magnetic bearingInfo
- Publication number
- EP2956675A4 EP2956675A4 EP14751831.0A EP14751831A EP2956675A4 EP 2956675 A4 EP2956675 A4 EP 2956675A4 EP 14751831 A EP14751831 A EP 14751831A EP 2956675 A4 EP2956675 A4 EP 2956675A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- midspan
- magnetic bearing
- active magnetic
- active
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0686—Units comprising pumps and their driving means the pump being electrically driven specially adapted for submerged use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/047—Details of housings; Mounting of active magnetic bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49236—Fluid pump or compressor making
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361764309P | 2013-02-13 | 2013-02-13 | |
US14/173,894 US9657744B2 (en) | 2013-02-13 | 2014-02-06 | Midspan active magnetic bearing |
PCT/US2014/015212 WO2014126790A1 (en) | 2013-02-13 | 2014-02-07 | Midspan active magnetic bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2956675A1 EP2956675A1 (en) | 2015-12-23 |
EP2956675A4 true EP2956675A4 (en) | 2016-10-12 |
Family
ID=51297532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14751831.0A Withdrawn EP2956675A4 (en) | 2013-02-13 | 2014-02-07 | Midspan active magnetic bearing |
Country Status (3)
Country | Link |
---|---|
US (1) | US9657744B2 (en) |
EP (1) | EP2956675A4 (en) |
WO (1) | WO2014126790A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3126678B1 (en) * | 2014-04-02 | 2020-04-29 | Dresser-Rand Company | Damper seal for double flow compressor arrangement |
JP6635414B2 (en) * | 2014-12-19 | 2020-01-22 | パナソニックIpマネジメント株式会社 | Turbo machinery |
WO2017169496A1 (en) * | 2016-03-28 | 2017-10-05 | 三菱重工コンプレッサ株式会社 | Rotary machine |
NO347975B1 (en) * | 2016-09-20 | 2024-06-03 | Vetco Gray Scandinavia As | Improved arrangement for pressurizing of fluid |
CN106402033A (en) * | 2016-11-29 | 2017-02-15 | 沈阳斯特机械制造有限公司 | Centrifugal compressor for olefin DCC technology |
JP6447662B2 (en) * | 2017-05-09 | 2019-01-09 | ダイキン工業株式会社 | Electric motor system and turbo compressor provided with the same |
DE102017208128A1 (en) * | 2017-05-15 | 2018-11-15 | Man Diesel & Turbo Se | compressor |
US10465544B2 (en) | 2017-07-24 | 2019-11-05 | United Technologies Corporation | Eddy current damper for lift off seal |
CN108868892B (en) * | 2018-01-12 | 2024-04-02 | 刘慕华 | Rotor system and control method thereof, gas turbine generator set and control method thereof |
CN108999792B (en) * | 2018-07-13 | 2020-06-05 | 吴艮华 | Impeller air pump |
FR3084919B1 (en) * | 2018-08-07 | 2020-12-11 | Cryostar Sas | MULTI-STAGE TURBOMACHINE |
IT201800011099A1 (en) * | 2018-12-14 | 2020-06-14 | Nuovo Pignone Tecnologie Srl | PROPANE DE-HYDROGENATION SYSTEM WITH A SINGLE BOX REACTOR EFFLUENT COMPRESSOR AND METHOD |
EP3966454B1 (en) * | 2019-05-10 | 2024-06-26 | Carrier Corporation | Compressor with thrust control |
EP3686436A1 (en) * | 2019-07-31 | 2020-07-29 | Sulzer Management AG | Multistage pump and subsea pumping arrangement |
CN111457010B (en) * | 2020-03-24 | 2021-07-23 | 北京科技大学 | Magnetic-gas hybrid bearing |
EP3890163A1 (en) * | 2020-04-01 | 2021-10-06 | GE Energy Power Conversion Technology Ltd. | Method for sizing of a rotor with non-through shaft, associated rotor and motorcompressor |
KR20210129962A (en) * | 2020-04-21 | 2021-10-29 | 엘지전자 주식회사 | Compressor and Chiller system having the same |
KR102316976B1 (en) * | 2020-06-09 | 2021-10-26 | 신지남전자 (주) | apparatus |
US20220010734A1 (en) * | 2020-07-08 | 2022-01-13 | Ge Energy Power Conversion Technology Limited | Mechanical drive system and associated motor compressor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0301285A1 (en) * | 1987-07-23 | 1989-02-01 | Mitsubishi Jukogyo Kabushiki Kaisha | Centrifugal compressor |
US20020037772A1 (en) * | 2000-09-22 | 2002-03-28 | Klemens Fisch | Coupling apparatus |
US20040164632A1 (en) * | 2001-06-15 | 2004-08-26 | Maurice Brunet | Active magnetic bearing with integrated detectors |
WO2012057885A1 (en) * | 2010-10-27 | 2012-05-03 | Dresser-Rand Company | Multiple motor drivers for a hermetically-sealed motor-compressor system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2336550A1 (en) * | 1975-12-24 | 1977-07-22 | Europ Propulsion | LONG SHAFT MOUNTING, ESPECIALLY FOR TURBOMACHINE |
US5347190A (en) | 1988-09-09 | 1994-09-13 | University Of Virginia Patent Foundation | Magnetic bearing systems |
US4983870A (en) | 1989-07-26 | 1991-01-08 | Contraves Goerz Corporation | Radial magnetic bearing |
US5514924A (en) | 1992-04-30 | 1996-05-07 | AVCON--Advanced Control Technology, Inc. | Magnetic bearing providing radial and axial load support for a shaft |
JPH11257352A (en) | 1998-03-13 | 1999-09-21 | Hitachi Ltd | Magnetic bearing, rotating machine with it and operating method of rotating machine |
US6518770B2 (en) | 2000-05-16 | 2003-02-11 | The Texas A&M University System | System and method for measuring dynamic loads in a magnetic bearing |
US6763285B2 (en) | 2000-08-21 | 2004-07-13 | Board Of Trustees Of Michigan State University | Adaptive compensation of sensor run-out and mass unbalance in magnetic bearing systems without changing rotor speed |
EP1757826B1 (en) | 2005-08-24 | 2009-01-21 | Mecos Traxler AG | Rotor shaft for a magnetic bearing device |
US7811068B2 (en) | 2005-11-16 | 2010-10-12 | General Electric Company | Methods and apparatus for transporting natural gas through a pipeline |
US8994237B2 (en) | 2010-12-30 | 2015-03-31 | Dresser-Rand Company | Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems |
US9024493B2 (en) | 2010-12-30 | 2015-05-05 | Dresser-Rand Company | Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems |
WO2012145486A2 (en) | 2011-04-20 | 2012-10-26 | Dresser-Rand Company | Magnetic bearing system for heavy loaded compressor |
WO2012166236A1 (en) | 2011-05-27 | 2012-12-06 | Dresser-Rand Company | Segmented coast-down bearing for magnetic bearing systems |
US8851756B2 (en) | 2011-06-29 | 2014-10-07 | Dresser-Rand Company | Whirl inhibiting coast-down bearing for magnetic bearing systems |
-
2014
- 2014-02-06 US US14/173,894 patent/US9657744B2/en not_active Expired - Fee Related
- 2014-02-07 EP EP14751831.0A patent/EP2956675A4/en not_active Withdrawn
- 2014-02-07 WO PCT/US2014/015212 patent/WO2014126790A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0301285A1 (en) * | 1987-07-23 | 1989-02-01 | Mitsubishi Jukogyo Kabushiki Kaisha | Centrifugal compressor |
US20020037772A1 (en) * | 2000-09-22 | 2002-03-28 | Klemens Fisch | Coupling apparatus |
US20040164632A1 (en) * | 2001-06-15 | 2004-08-26 | Maurice Brunet | Active magnetic bearing with integrated detectors |
WO2012057885A1 (en) * | 2010-10-27 | 2012-05-03 | Dresser-Rand Company | Multiple motor drivers for a hermetically-sealed motor-compressor system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014126790A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014126790A1 (en) | 2014-08-21 |
US9657744B2 (en) | 2017-05-23 |
US20140227079A1 (en) | 2014-08-14 |
EP2956675A1 (en) | 2015-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20150529 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20160913 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F16C 32/04 20060101ALI20160907BHEP Ipc: F04B 39/00 20060101ALI20160907BHEP Ipc: F16D 1/02 20060101ALI20160907BHEP Ipc: F04D 29/04 20060101AFI20160907BHEP |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DRESSER RAND COMPANY |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DRESSER-RAND COMPANY |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20190903 |